[Ips-dhfpr] SWS Daily HF Prop Report - 26 March 17 issued 2330 UT on 26 Mar 2017 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/26 MARCH 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (26 MARCH) 
Date   T index  Conditions    
26 Mar    12    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Mostly near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 15% during local night.
   Southern Australian Region:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Feb      10
Mar      16
Apr      15


2. FORECAST (27 MARCH - 29 MARCH)
Date   T index  Conditions       MUFs                              
27 Mar    15    Normal-fair      Near predicted monthly values/depressed 
                                 5 to 15%
28 Mar     8    Fair             Near predicted monthly values/depressed 
                                 10 to 30%    
29 Mar     8    Fair             Near predicted monthly values/depressed 
                                 10 to 30%   

COMMENT: SWS Preliminary HF Communications Warning 21 was issued 
on 25 March and is current for 27-28 Mar. MUFs across the Australian/NZ 
region were mostly near predicted monthly values today (26 March, 
UT) with some periods of minor to mild depressions in the Northern 
regions. Due to expected rise in geomagnetic activity levels 
from 27 March, minor to mild MUF depressions and degradations 
in HF conditions are possible on this day. Minor to moderate 
MUF depressions and degradations in HF conditions are likely 
in this region on 28 and 29 March.

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For an explanation of some of the terms in this report, go to
http://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

Space Weather Services              email: asfc at bom.gov.au
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